public class Example8_1 {
    public static void main(String args[]) {
        String hello = "你好";
        String testOne = "你"+"好";             //【代码1】
        System.out.println(hello == testOne);   //输出结果是true
        System.out.println("你好" == testOne);  //输出结果是true
        System.out.println("你好" == hello);    //输出结果是true
        String you = "你";
        String hi = "好";
        String testTwo = you+hi;                //【代码2】
        System.out.println(hello == testTwo);   //输出结果是false
        String testThree = you+hi;
        System.out.println(testTwo == testThree); //输出结果是false
    }
}
